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Finding the Fourth Proportional to 50,884.68, 70,255.68 and 31,793.58

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Solution

The fourth proportional to 50,884.68, 70,255.68 and 31,793.58 is: 43,896.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,884.68 : 70,255.68 = 31,793.58 : x
  2. Step 2: Convert to fraction form
    50,884.68/70,255.68 = 31,793.58/x
  3. Step 3: Cross multiply
    50,884.68x = 70,255.68 × 31,793.58
  4. Step 4: Simplify right side
    50,884.68x = 2,233,679,582.53
  5. Step 5: Solve for x
    x = 2,233,679,582.53/50,884.68
  6. Step 6: Final answer
    x = 43,896.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.